<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>水平对齐的圆点</title>
    <style>
        body {
            background-color: #8ca183;

            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        .dots {
            display: flex;
            align-items: center;  /* 关键：垂直方向居中 */
            gap: 25px;
        }

        .dot {
            border-radius: 50%;
            display: inline-block;
        }

        .dot.big {
            width: 50px;
            height: 50px;
            background-color: white;
            box-shadow: 0 0 15px white;
        }

        .dot.small {
            width: 30px;
            height: 30px;
            background-color: rgba(255, 255, 255, 0.3);
        }
    </style>
</head>
<body>
<div class="dots">
    <div class="dot big"></div>
    <div class="dot small"></div>
    <div class="dot small"></div>
</div>
</body>
</html>
